
7
9. Random Operation
By pressing the <Change> for around three seconds whilst in normal operating
mode a small R appears on the display. The ETU17 will now switch ON and OFF in
a random fashion during programmed ON periods. Both the ON and the OFF
periods will vary in a random way between 10 and 31 minutes. Normal switching
can be restored by pressing the <Change> button for around three seconds until the
R symbol reappears.
10. Operation
Plug the ETU17 into a 13Asocket and switch ON if necessary. Plug in the appliance
or lamp(s) to be controlled into the ETU17 and ensure the appliance or lamp(s) are
switched ON.
Specifications
i
Conforms to Directives: 73/23/EEC & 89/336/EEC.
ii Permissible Loads:
13Aresistive (heating)
5Ainductive
1hp motor
500W low energy (compact fluorescent) and
linear tube fluorescent lighting
1.5kW filament (incandescent) lighting.
iii Battery Back-up:
1000 hours by factory fitted rechargeable battery.
iv Operating Ambient
Temperature Range:
-10°C to 35°C.
v Operating Voltage:
230V AC.
Not suitable for discharge lighting (e.g. SON and Metal Halide).